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    <meta charset="UTF-8">
    <title>块标签</title>
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<body>
    <!--
        div:每一个div占满一整行。块级标签
        span：文本信息在一行展示，行内标签 内联标签

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    <span>黑马程序员</span>
    <span>传智播客</span>

    <hr>
    <div>黑马程序员</div>
    <div>传智播客</div>


</body>
</html>